/usr/bin/java -ea -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf -i ../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-46f3038-m [2020-07-08 15:53:54,053 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-08 15:53:54,056 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-08 15:53:54,074 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-08 15:53:54,074 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-08 15:53:54,076 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-08 15:53:54,078 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-08 15:53:54,094 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-08 15:53:54,096 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-08 15:53:54,097 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-08 15:53:54,097 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-08 15:53:54,098 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-08 15:53:54,099 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-08 15:53:54,102 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-08 15:53:54,103 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-08 15:53:54,105 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-08 15:53:54,106 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-08 15:53:54,107 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-08 15:53:54,111 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-08 15:53:54,114 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-08 15:53:54,116 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-08 15:53:54,117 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-08 15:53:54,119 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-08 15:53:54,120 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-08 15:53:54,124 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-08 15:53:54,124 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-08 15:53:54,124 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-08 15:53:54,128 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-08 15:53:54,129 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-08 15:53:54,130 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... 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[2020-07-08 15:53:54,142 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-08 15:53:54,143 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-08 15:53:54,145 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-08 15:53:54,146 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/automizer/acceleratedInterpolation/acceleratedInterpolationFastUPR_32.epf [2020-07-08 15:53:54,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-08 15:53:54,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-08 15:53:54,161 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-08 15:53:54,161 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-08 15:53:54,162 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-08 15:53:54,162 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-08 15:53:54,162 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-08 15:53:54,162 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-08 15:53:54,163 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-08 15:53:54,163 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-08 15:53:54,164 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-08 15:53:54,164 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-08 15:53:54,164 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-08 15:53:54,165 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-08 15:53:54,165 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-08 15:53:54,165 INFO L138 SettingsManager]: * Size of a code block=SingleStatement [2020-07-08 15:53:54,165 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-08 15:53:54,166 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-08 15:53:54,166 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:53:54,166 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-08 15:53:54,166 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=AcceleratedInterpolation [2020-07-08 15:53:54,166 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-08 15:53:54,167 INFO L138 SettingsManager]: * Use separate solver for trace checks=false [2020-07-08 15:53:54,444 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-08 15:53:54,460 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-08 15:53:54,464 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-08 15:53:54,465 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-08 15:53:54,465 INFO L275 PluginConnector]: CDTParser initialized [2020-07-08 15:53:54,466 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-07-08 15:53:54,540 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5539f52d/ae5e6215899e4676a689f94d181426ff/FLAG02dd8cb92 [2020-07-08 15:53:55,017 INFO L306 CDTParser]: Found 1 translation units. [2020-07-08 15:53:55,017 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/float-newlib/double_req_bl_1232b.c [2020-07-08 15:53:55,025 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5539f52d/ae5e6215899e4676a689f94d181426ff/FLAG02dd8cb92 [2020-07-08 15:53:55,379 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/e5539f52d/ae5e6215899e4676a689f94d181426ff [2020-07-08 15:53:55,387 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-08 15:53:55,389 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-07-08 15:53:55,390 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-08 15:53:55,390 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-08 15:53:55,393 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-08 15:53:55,395 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,398 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79a3f4cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55, skipping insertion in model container [2020-07-08 15:53:55,398 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-08 15:53:55,424 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-08 15:53:55,612 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:53:55,617 INFO L203 MainTranslator]: Completed pre-run [2020-07-08 15:53:55,647 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-08 15:53:55,760 INFO L208 MainTranslator]: Completed translation [2020-07-08 15:53:55,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55 WrapperNode [2020-07-08 15:53:55,760 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-08 15:53:55,761 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-08 15:53:55,761 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-08 15:53:55,761 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-08 15:53:55,771 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,772 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,781 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,781 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,805 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,825 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,829 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... [2020-07-08 15:53:55,837 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-08 15:53:55,838 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-08 15:53:55,838 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-08 15:53:55,838 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-08 15:53:55,839 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-08 15:53:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-07-08 15:53:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-08 15:53:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure isnan_double [2020-07-08 15:53:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure __fpclassify_double [2020-07-08 15:53:55,899 INFO L138 BoogieDeclarations]: Found implementation of procedure fmin_double [2020-07-08 15:53:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure __signbit_double [2020-07-08 15:53:55,900 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-07-08 15:53:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-07-08 15:53:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_double [2020-07-08 15:53:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure isnan_double [2020-07-08 15:53:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure __fpclassify_double [2020-07-08 15:53:55,900 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-08 15:53:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2020-07-08 15:53:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2020-07-08 15:53:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2020-07-08 15:53:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure fmin_double [2020-07-08 15:53:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure __signbit_double [2020-07-08 15:53:55,901 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-07-08 15:53:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-07-08 15:53:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-08 15:53:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2020-07-08 15:53:55,902 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2020-07-08 15:53:56,501 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-08 15:53:56,501 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-08 15:53:56,506 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:53:56 BoogieIcfgContainer [2020-07-08 15:53:56,507 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-08 15:53:56,508 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-08 15:53:56,508 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-08 15:53:56,512 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-08 15:53:56,513 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.07 03:53:55" (1/3) ... [2020-07-08 15:53:56,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3633eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:53:56, skipping insertion in model container [2020-07-08 15:53:56,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.07 03:53:55" (2/3) ... [2020-07-08 15:53:56,514 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3633eb13 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.07 03:53:56, skipping insertion in model container [2020-07-08 15:53:56,514 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.07 03:53:56" (3/3) ... [2020-07-08 15:53:56,516 INFO L109 eAbstractionObserver]: Analyzing ICFG double_req_bl_1232b.c [2020-07-08 15:53:56,528 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:AcceleratedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-07-08 15:53:56,537 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-07-08 15:53:56,552 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-07-08 15:53:56,576 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-08 15:53:56,576 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-08 15:53:56,576 INFO L377 AbstractCegarLoop]: Compute interpolants for AcceleratedInterpolation [2020-07-08 15:53:56,577 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-08 15:53:56,577 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-08 15:53:56,577 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-08 15:53:56,578 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-08 15:53:56,578 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-08 15:53:56,597 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states. [2020-07-08 15:53:56,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2020-07-08 15:53:56,610 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:53:56,611 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:53:56,612 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:53:56,618 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:53:56,619 INFO L82 PathProgramCache]: Analyzing trace with hash -1987914920, now seen corresponding path program 1 times [2020-07-08 15:53:56,629 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:53:56,630 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026234586] [2020-07-08 15:53:56,630 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:53:56,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:56,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:56,930 INFO L280 TraceCheckUtils]: 0: Hoare triple {122#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {98#true} is VALID [2020-07-08 15:53:56,931 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} #valid := #valid[0 := 0]; {98#true} is VALID [2020-07-08 15:53:56,932 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} assume 0 < #StackHeapBarrier; {98#true} is VALID [2020-07-08 15:53:56,932 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume true; {98#true} is VALID [2020-07-08 15:53:56,934 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {98#true} {98#true} #148#return; {98#true} is VALID [2020-07-08 15:53:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:56,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:56,985 INFO L280 TraceCheckUtils]: 0: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-08 15:53:56,985 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-08 15:53:56,986 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-08 15:53:56,987 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-08 15:53:56,987 INFO L280 TraceCheckUtils]: 4: Hoare triple {99#false} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {99#false} is VALID [2020-07-08 15:53:56,988 INFO L280 TraceCheckUtils]: 5: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-08 15:53:56,988 INFO L280 TraceCheckUtils]: 6: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 15:53:56,988 INFO L275 TraceCheckUtils]: 7: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-08 15:53:56,989 INFO L280 TraceCheckUtils]: 0: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-08 15:53:56,989 INFO L280 TraceCheckUtils]: 1: Hoare triple {98#true} ~y := #in~y; {98#true} is VALID [2020-07-08 15:53:56,992 INFO L263 TraceCheckUtils]: 2: Hoare triple {98#true} call #t~ret4 := __fpclassify_double(~x); {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:53:56,992 INFO L280 TraceCheckUtils]: 3: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-08 15:53:56,993 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-08 15:53:56,993 INFO L280 TraceCheckUtils]: 5: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-08 15:53:56,994 INFO L280 TraceCheckUtils]: 6: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-08 15:53:56,995 INFO L280 TraceCheckUtils]: 7: Hoare triple {99#false} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {99#false} is VALID [2020-07-08 15:53:56,995 INFO L280 TraceCheckUtils]: 8: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-08 15:53:56,996 INFO L280 TraceCheckUtils]: 9: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 15:53:56,996 INFO L275 TraceCheckUtils]: 10: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-08 15:53:56,997 INFO L280 TraceCheckUtils]: 11: Hoare triple {99#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {99#false} is VALID [2020-07-08 15:53:56,997 INFO L280 TraceCheckUtils]: 12: Hoare triple {99#false} assume 0 == #t~ret4; {99#false} is VALID [2020-07-08 15:53:56,997 INFO L280 TraceCheckUtils]: 13: Hoare triple {99#false} havoc #t~ret4; {99#false} is VALID [2020-07-08 15:53:56,998 INFO L280 TraceCheckUtils]: 14: Hoare triple {99#false} #res := ~y; {99#false} is VALID [2020-07-08 15:53:56,998 INFO L280 TraceCheckUtils]: 15: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 15:53:56,998 INFO L275 TraceCheckUtils]: 16: Hoare quadruple {99#false} {98#true} #144#return; {99#false} is VALID [2020-07-08 15:53:57,001 INFO L263 TraceCheckUtils]: 0: Hoare triple {98#true} call ULTIMATE.init(); {122#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 15:53:57,002 INFO L280 TraceCheckUtils]: 1: Hoare triple {122#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {98#true} is VALID [2020-07-08 15:53:57,002 INFO L280 TraceCheckUtils]: 2: Hoare triple {98#true} #valid := #valid[0 := 0]; {98#true} is VALID [2020-07-08 15:53:57,003 INFO L280 TraceCheckUtils]: 3: Hoare triple {98#true} assume 0 < #StackHeapBarrier; {98#true} is VALID [2020-07-08 15:53:57,003 INFO L280 TraceCheckUtils]: 4: Hoare triple {98#true} assume true; {98#true} is VALID [2020-07-08 15:53:57,003 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {98#true} {98#true} #148#return; {98#true} is VALID [2020-07-08 15:53:57,004 INFO L263 TraceCheckUtils]: 6: Hoare triple {98#true} call #t~ret12 := main(); {98#true} is VALID [2020-07-08 15:53:57,004 INFO L280 TraceCheckUtils]: 7: Hoare triple {98#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {98#true} is VALID [2020-07-08 15:53:57,005 INFO L280 TraceCheckUtils]: 8: Hoare triple {98#true} ~y~0 := 0.0; {98#true} is VALID [2020-07-08 15:53:57,007 INFO L263 TraceCheckUtils]: 9: Hoare triple {98#true} call #t~ret9 := fmin_double(~x~0, ~y~0); {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:53:57,007 INFO L280 TraceCheckUtils]: 10: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-08 15:53:57,008 INFO L280 TraceCheckUtils]: 11: Hoare triple {98#true} ~y := #in~y; {98#true} is VALID [2020-07-08 15:53:57,010 INFO L263 TraceCheckUtils]: 12: Hoare triple {98#true} call #t~ret4 := __fpclassify_double(~x); {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:53:57,010 INFO L280 TraceCheckUtils]: 13: Hoare triple {123#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {98#true} is VALID [2020-07-08 15:53:57,011 INFO L280 TraceCheckUtils]: 14: Hoare triple {98#true} havoc ~msw~0; {98#true} is VALID [2020-07-08 15:53:57,011 INFO L280 TraceCheckUtils]: 15: Hoare triple {98#true} havoc ~lsw~0; {98#true} is VALID [2020-07-08 15:53:57,012 INFO L280 TraceCheckUtils]: 16: Hoare triple {98#true} assume !true; {99#false} is VALID [2020-07-08 15:53:57,012 INFO L280 TraceCheckUtils]: 17: Hoare triple {99#false} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {99#false} is VALID [2020-07-08 15:53:57,013 INFO L280 TraceCheckUtils]: 18: Hoare triple {99#false} #res := 2; {99#false} is VALID [2020-07-08 15:53:57,013 INFO L280 TraceCheckUtils]: 19: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 15:53:57,013 INFO L275 TraceCheckUtils]: 20: Hoare quadruple {99#false} {98#true} #152#return; {99#false} is VALID [2020-07-08 15:53:57,014 INFO L280 TraceCheckUtils]: 21: Hoare triple {99#false} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {99#false} is VALID [2020-07-08 15:53:57,014 INFO L280 TraceCheckUtils]: 22: Hoare triple {99#false} assume 0 == #t~ret4; {99#false} is VALID [2020-07-08 15:53:57,015 INFO L280 TraceCheckUtils]: 23: Hoare triple {99#false} havoc #t~ret4; {99#false} is VALID [2020-07-08 15:53:57,015 INFO L280 TraceCheckUtils]: 24: Hoare triple {99#false} #res := ~y; {99#false} is VALID [2020-07-08 15:53:57,015 INFO L280 TraceCheckUtils]: 25: Hoare triple {99#false} assume true; {99#false} is VALID [2020-07-08 15:53:57,016 INFO L275 TraceCheckUtils]: 26: Hoare quadruple {99#false} {98#true} #144#return; {99#false} is VALID [2020-07-08 15:53:57,016 INFO L280 TraceCheckUtils]: 27: Hoare triple {99#false} ~res~0 := #t~ret9; {99#false} is VALID [2020-07-08 15:53:57,016 INFO L280 TraceCheckUtils]: 28: Hoare triple {99#false} havoc #t~ret9; {99#false} is VALID [2020-07-08 15:53:57,017 INFO L280 TraceCheckUtils]: 29: Hoare triple {99#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {99#false} is VALID [2020-07-08 15:53:57,017 INFO L280 TraceCheckUtils]: 30: Hoare triple {99#false} assume !#t~short11; {99#false} is VALID [2020-07-08 15:53:57,018 INFO L280 TraceCheckUtils]: 31: Hoare triple {99#false} assume !#t~short11; {99#false} is VALID [2020-07-08 15:53:57,018 INFO L280 TraceCheckUtils]: 32: Hoare triple {99#false} havoc #t~ret10; {99#false} is VALID [2020-07-08 15:53:57,018 INFO L280 TraceCheckUtils]: 33: Hoare triple {99#false} havoc #t~short11; {99#false} is VALID [2020-07-08 15:53:57,019 INFO L280 TraceCheckUtils]: 34: Hoare triple {99#false} assume !false; {99#false} is VALID [2020-07-08 15:53:57,023 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 15:53:57,023 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:53:57,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026234586] [2020-07-08 15:53:57,028 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:53:57,028 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2020-07-08 15:53:57,029 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [75719121] [2020-07-08 15:53:57,035 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-08 15:53:57,039 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:53:57,043 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states. [2020-07-08 15:53:57,104 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 35 edges. 35 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:53:57,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-07-08 15:53:57,105 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:53:57,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-07-08 15:53:57,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-07-08 15:53:57,118 INFO L87 Difference]: Start difference. First operand 95 states. Second operand 4 states. [2020-07-08 15:53:57,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:53:57,845 INFO L93 Difference]: Finished difference Result 176 states and 204 transitions. [2020-07-08 15:53:57,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-07-08 15:53:57,846 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 35 [2020-07-08 15:53:57,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:53:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:53:57,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2020-07-08 15:53:57,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2020-07-08 15:53:57,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 204 transitions. [2020-07-08 15:53:57,902 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 4 states and 204 transitions. [2020-07-08 15:53:58,173 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 204 edges. 204 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:53:58,200 INFO L225 Difference]: With dead ends: 176 [2020-07-08 15:53:58,200 INFO L226 Difference]: Without dead ends: 87 [2020-07-08 15:53:58,209 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-07-08 15:53:58,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2020-07-08 15:53:58,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 87. [2020-07-08 15:53:58,326 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:53:58,327 INFO L82 GeneralOperation]: Start isEquivalent. First operand 87 states. Second operand 87 states. [2020-07-08 15:53:58,327 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-08 15:53:58,328 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-08 15:53:58,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:53:58,336 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2020-07-08 15:53:58,336 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-08 15:53:58,338 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:53:58,338 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:53:58,338 INFO L74 IsIncluded]: Start isIncluded. First operand 87 states. Second operand 87 states. [2020-07-08 15:53:58,339 INFO L87 Difference]: Start difference. First operand 87 states. Second operand 87 states. [2020-07-08 15:53:58,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:53:58,346 INFO L93 Difference]: Finished difference Result 87 states and 95 transitions. [2020-07-08 15:53:58,346 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-08 15:53:58,348 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:53:58,348 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:53:58,348 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:53:58,349 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:53:58,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-07-08 15:53:58,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 95 transitions. [2020-07-08 15:53:58,356 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 95 transitions. Word has length 35 [2020-07-08 15:53:58,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:53:58,357 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 95 transitions. [2020-07-08 15:53:58,357 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-07-08 15:53:58,357 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 87 states and 95 transitions. [2020-07-08 15:53:58,460 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 95 edges. 95 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:53:58,461 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 95 transitions. [2020-07-08 15:53:58,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 50 [2020-07-08 15:53:58,463 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:53:58,463 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:53:58,463 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-07-08 15:53:58,464 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:53:58,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:53:58,464 INFO L82 PathProgramCache]: Analyzing trace with hash -1530124146, now seen corresponding path program 1 times [2020-07-08 15:53:58,464 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:53:58,465 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065830948] [2020-07-08 15:53:58,465 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:53:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:58,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:58,576 INFO L280 TraceCheckUtils]: 0: Hoare triple {875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {837#true} is VALID [2020-07-08 15:53:58,576 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} #valid := #valid[0 := 0]; {837#true} is VALID [2020-07-08 15:53:58,576 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} assume 0 < #StackHeapBarrier; {837#true} is VALID [2020-07-08 15:53:58,577 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} assume true; {837#true} is VALID [2020-07-08 15:53:58,577 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {837#true} {837#true} #148#return; {837#true} is VALID [2020-07-08 15:53:58,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:58,701 INFO L280 TraceCheckUtils]: 0: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-08 15:53:58,702 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-08 15:53:58,702 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-08 15:53:58,702 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {837#true} is VALID [2020-07-08 15:53:58,703 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {837#true} is VALID [2020-07-08 15:53:58,703 INFO L280 TraceCheckUtils]: 5: Hoare triple {837#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {837#true} is VALID [2020-07-08 15:53:58,703 INFO L280 TraceCheckUtils]: 6: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-08 15:53:58,704 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {837#true} is VALID [2020-07-08 15:53:58,704 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-08 15:53:58,704 INFO L280 TraceCheckUtils]: 9: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-08 15:53:58,705 INFO L280 TraceCheckUtils]: 10: Hoare triple {837#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {837#true} is VALID [2020-07-08 15:53:58,705 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-08 15:53:58,705 INFO L280 TraceCheckUtils]: 12: Hoare triple {837#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {837#true} is VALID [2020-07-08 15:53:58,706 INFO L280 TraceCheckUtils]: 13: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-08 15:53:58,706 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-08 15:53:58,706 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {837#true} is VALID [2020-07-08 15:53:58,707 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-08 15:53:58,707 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-08 15:53:58,707 INFO L280 TraceCheckUtils]: 18: Hoare triple {837#true} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {837#true} is VALID [2020-07-08 15:53:58,708 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:53:58,709 INFO L280 TraceCheckUtils]: 20: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:53:58,710 INFO L275 TraceCheckUtils]: 21: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:53:58,711 INFO L280 TraceCheckUtils]: 0: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-08 15:53:58,711 INFO L280 TraceCheckUtils]: 1: Hoare triple {837#true} ~y := #in~y; {837#true} is VALID [2020-07-08 15:53:58,713 INFO L263 TraceCheckUtils]: 2: Hoare triple {837#true} call #t~ret4 := __fpclassify_double(~x); {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:53:58,713 INFO L280 TraceCheckUtils]: 3: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-08 15:53:58,713 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-08 15:53:58,714 INFO L280 TraceCheckUtils]: 5: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-08 15:53:58,714 INFO L280 TraceCheckUtils]: 6: Hoare triple {837#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {837#true} is VALID [2020-07-08 15:53:58,714 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {837#true} is VALID [2020-07-08 15:53:58,715 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {837#true} is VALID [2020-07-08 15:53:58,715 INFO L280 TraceCheckUtils]: 9: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-08 15:53:58,715 INFO L280 TraceCheckUtils]: 10: Hoare triple {837#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {837#true} is VALID [2020-07-08 15:53:58,716 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-08 15:53:58,716 INFO L280 TraceCheckUtils]: 12: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-08 15:53:58,716 INFO L280 TraceCheckUtils]: 13: Hoare triple {837#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {837#true} is VALID [2020-07-08 15:53:58,717 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-08 15:53:58,717 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {837#true} is VALID [2020-07-08 15:53:58,717 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-08 15:53:58,718 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-08 15:53:58,718 INFO L280 TraceCheckUtils]: 18: Hoare triple {837#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {837#true} is VALID [2020-07-08 15:53:58,718 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-08 15:53:58,719 INFO L280 TraceCheckUtils]: 20: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-08 15:53:58,719 INFO L280 TraceCheckUtils]: 21: Hoare triple {837#true} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {837#true} is VALID [2020-07-08 15:53:58,720 INFO L280 TraceCheckUtils]: 22: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:53:58,721 INFO L280 TraceCheckUtils]: 23: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:53:58,722 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:53:58,722 INFO L280 TraceCheckUtils]: 25: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:53:58,723 INFO L280 TraceCheckUtils]: 26: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {838#false} is VALID [2020-07-08 15:53:58,723 INFO L280 TraceCheckUtils]: 27: Hoare triple {838#false} havoc #t~ret4; {838#false} is VALID [2020-07-08 15:53:58,724 INFO L280 TraceCheckUtils]: 28: Hoare triple {838#false} #res := ~y; {838#false} is VALID [2020-07-08 15:53:58,724 INFO L280 TraceCheckUtils]: 29: Hoare triple {838#false} assume true; {838#false} is VALID [2020-07-08 15:53:58,724 INFO L275 TraceCheckUtils]: 30: Hoare quadruple {838#false} {837#true} #144#return; {838#false} is VALID [2020-07-08 15:53:58,727 INFO L263 TraceCheckUtils]: 0: Hoare triple {837#true} call ULTIMATE.init(); {875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 15:53:58,727 INFO L280 TraceCheckUtils]: 1: Hoare triple {875#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {837#true} is VALID [2020-07-08 15:53:58,727 INFO L280 TraceCheckUtils]: 2: Hoare triple {837#true} #valid := #valid[0 := 0]; {837#true} is VALID [2020-07-08 15:53:58,728 INFO L280 TraceCheckUtils]: 3: Hoare triple {837#true} assume 0 < #StackHeapBarrier; {837#true} is VALID [2020-07-08 15:53:58,728 INFO L280 TraceCheckUtils]: 4: Hoare triple {837#true} assume true; {837#true} is VALID [2020-07-08 15:53:58,728 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {837#true} {837#true} #148#return; {837#true} is VALID [2020-07-08 15:53:58,729 INFO L263 TraceCheckUtils]: 6: Hoare triple {837#true} call #t~ret12 := main(); {837#true} is VALID [2020-07-08 15:53:58,729 INFO L280 TraceCheckUtils]: 7: Hoare triple {837#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {837#true} is VALID [2020-07-08 15:53:58,729 INFO L280 TraceCheckUtils]: 8: Hoare triple {837#true} ~y~0 := 0.0; {837#true} is VALID [2020-07-08 15:53:58,730 INFO L263 TraceCheckUtils]: 9: Hoare triple {837#true} call #t~ret9 := fmin_double(~x~0, ~y~0); {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:53:58,731 INFO L280 TraceCheckUtils]: 10: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-08 15:53:58,731 INFO L280 TraceCheckUtils]: 11: Hoare triple {837#true} ~y := #in~y; {837#true} is VALID [2020-07-08 15:53:58,732 INFO L263 TraceCheckUtils]: 12: Hoare triple {837#true} call #t~ret4 := __fpclassify_double(~x); {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:53:58,733 INFO L280 TraceCheckUtils]: 13: Hoare triple {876#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {837#true} is VALID [2020-07-08 15:53:58,733 INFO L280 TraceCheckUtils]: 14: Hoare triple {837#true} havoc ~msw~0; {837#true} is VALID [2020-07-08 15:53:58,733 INFO L280 TraceCheckUtils]: 15: Hoare triple {837#true} havoc ~lsw~0; {837#true} is VALID [2020-07-08 15:53:58,734 INFO L280 TraceCheckUtils]: 16: Hoare triple {837#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {837#true} is VALID [2020-07-08 15:53:58,734 INFO L280 TraceCheckUtils]: 17: Hoare triple {837#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {837#true} is VALID [2020-07-08 15:53:58,734 INFO L280 TraceCheckUtils]: 18: Hoare triple {837#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {837#true} is VALID [2020-07-08 15:53:58,734 INFO L280 TraceCheckUtils]: 19: Hoare triple {837#true} ~msw~0 := #t~mem0; {837#true} is VALID [2020-07-08 15:53:58,735 INFO L280 TraceCheckUtils]: 20: Hoare triple {837#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {837#true} is VALID [2020-07-08 15:53:58,735 INFO L280 TraceCheckUtils]: 21: Hoare triple {837#true} havoc #t~mem0; {837#true} is VALID [2020-07-08 15:53:58,735 INFO L280 TraceCheckUtils]: 22: Hoare triple {837#true} havoc #t~union1; {837#true} is VALID [2020-07-08 15:53:58,736 INFO L280 TraceCheckUtils]: 23: Hoare triple {837#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {837#true} is VALID [2020-07-08 15:53:58,736 INFO L280 TraceCheckUtils]: 24: Hoare triple {837#true} ~lsw~0 := #t~mem2; {837#true} is VALID [2020-07-08 15:53:58,736 INFO L280 TraceCheckUtils]: 25: Hoare triple {837#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {837#true} is VALID [2020-07-08 15:53:58,736 INFO L280 TraceCheckUtils]: 26: Hoare triple {837#true} havoc #t~mem2; {837#true} is VALID [2020-07-08 15:53:58,737 INFO L280 TraceCheckUtils]: 27: Hoare triple {837#true} havoc #t~union3; {837#true} is VALID [2020-07-08 15:53:58,737 INFO L280 TraceCheckUtils]: 28: Hoare triple {837#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {837#true} is VALID [2020-07-08 15:53:58,737 INFO L280 TraceCheckUtils]: 29: Hoare triple {837#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {837#true} is VALID [2020-07-08 15:53:58,738 INFO L280 TraceCheckUtils]: 30: Hoare triple {837#true} goto; {837#true} is VALID [2020-07-08 15:53:58,738 INFO L280 TraceCheckUtils]: 31: Hoare triple {837#true} assume (0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {837#true} is VALID [2020-07-08 15:53:58,739 INFO L280 TraceCheckUtils]: 32: Hoare triple {837#true} #res := 2; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:53:58,740 INFO L280 TraceCheckUtils]: 33: Hoare triple {900#(<= 2 |__fpclassify_double_#res|)} assume true; {900#(<= 2 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:53:58,741 INFO L275 TraceCheckUtils]: 34: Hoare quadruple {900#(<= 2 |__fpclassify_double_#res|)} {837#true} #152#return; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:53:58,741 INFO L280 TraceCheckUtils]: 35: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {899#(<= 2 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:53:58,742 INFO L280 TraceCheckUtils]: 36: Hoare triple {899#(<= 2 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {838#false} is VALID [2020-07-08 15:53:58,742 INFO L280 TraceCheckUtils]: 37: Hoare triple {838#false} havoc #t~ret4; {838#false} is VALID [2020-07-08 15:53:58,743 INFO L280 TraceCheckUtils]: 38: Hoare triple {838#false} #res := ~y; {838#false} is VALID [2020-07-08 15:53:58,743 INFO L280 TraceCheckUtils]: 39: Hoare triple {838#false} assume true; {838#false} is VALID [2020-07-08 15:53:58,743 INFO L275 TraceCheckUtils]: 40: Hoare quadruple {838#false} {837#true} #144#return; {838#false} is VALID [2020-07-08 15:53:58,744 INFO L280 TraceCheckUtils]: 41: Hoare triple {838#false} ~res~0 := #t~ret9; {838#false} is VALID [2020-07-08 15:53:58,744 INFO L280 TraceCheckUtils]: 42: Hoare triple {838#false} havoc #t~ret9; {838#false} is VALID [2020-07-08 15:53:58,744 INFO L280 TraceCheckUtils]: 43: Hoare triple {838#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {838#false} is VALID [2020-07-08 15:53:58,745 INFO L280 TraceCheckUtils]: 44: Hoare triple {838#false} assume !#t~short11; {838#false} is VALID [2020-07-08 15:53:58,745 INFO L280 TraceCheckUtils]: 45: Hoare triple {838#false} assume !#t~short11; {838#false} is VALID [2020-07-08 15:53:58,745 INFO L280 TraceCheckUtils]: 46: Hoare triple {838#false} havoc #t~ret10; {838#false} is VALID [2020-07-08 15:53:58,745 INFO L280 TraceCheckUtils]: 47: Hoare triple {838#false} havoc #t~short11; {838#false} is VALID [2020-07-08 15:53:58,746 INFO L280 TraceCheckUtils]: 48: Hoare triple {838#false} assume !false; {838#false} is VALID [2020-07-08 15:53:58,749 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 15:53:58,749 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:53:58,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065830948] [2020-07-08 15:53:58,750 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:53:58,750 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 15:53:58,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797726004] [2020-07-08 15:53:58,751 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-08 15:53:58,752 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:53:58,752 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 15:53:58,800 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 49 edges. 49 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:53:58,800 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 15:53:58,801 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:53:58,801 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 15:53:58,801 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 15:53:58,801 INFO L87 Difference]: Start difference. First operand 87 states and 95 transitions. Second operand 6 states. [2020-07-08 15:53:59,451 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:53:59,452 INFO L93 Difference]: Finished difference Result 123 states and 133 transitions. [2020-07-08 15:53:59,452 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 15:53:59,452 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 49 [2020-07-08 15:53:59,453 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:53:59,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 15:53:59,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 15:53:59,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 15:53:59,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 15:53:59,462 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 133 transitions. [2020-07-08 15:53:59,612 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:53:59,618 INFO L225 Difference]: With dead ends: 123 [2020-07-08 15:53:59,618 INFO L226 Difference]: Without dead ends: 92 [2020-07-08 15:53:59,620 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 15:53:59,621 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 92 states. [2020-07-08 15:53:59,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 92 to 91. [2020-07-08 15:53:59,684 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:53:59,684 INFO L82 GeneralOperation]: Start isEquivalent. First operand 92 states. Second operand 91 states. [2020-07-08 15:53:59,685 INFO L74 IsIncluded]: Start isIncluded. First operand 92 states. Second operand 91 states. [2020-07-08 15:53:59,685 INFO L87 Difference]: Start difference. First operand 92 states. Second operand 91 states. [2020-07-08 15:53:59,690 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:53:59,690 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 15:53:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 15:53:59,692 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:53:59,692 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:53:59,692 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 92 states. [2020-07-08 15:53:59,692 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 92 states. [2020-07-08 15:53:59,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:53:59,698 INFO L93 Difference]: Finished difference Result 92 states and 101 transitions. [2020-07-08 15:53:59,698 INFO L276 IsEmpty]: Start isEmpty. Operand 92 states and 101 transitions. [2020-07-08 15:53:59,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:53:59,699 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:53:59,699 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:53:59,700 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:53:59,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-08 15:53:59,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2020-07-08 15:53:59,705 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 49 [2020-07-08 15:53:59,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:53:59,705 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2020-07-08 15:53:59,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 15:53:59,705 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 91 states and 100 transitions. [2020-07-08 15:53:59,838 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:53:59,839 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2020-07-08 15:53:59,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 15:53:59,841 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:53:59,842 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:53:59,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-07-08 15:53:59,842 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:53:59,842 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:53:59,843 INFO L82 PathProgramCache]: Analyzing trace with hash 1091693362, now seen corresponding path program 1 times [2020-07-08 15:53:59,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:53:59,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [617714957] [2020-07-08 15:53:59,843 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:53:59,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:59,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:53:59,941 INFO L280 TraceCheckUtils]: 0: Hoare triple {1559#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1518#true} is VALID [2020-07-08 15:53:59,941 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} #valid := #valid[0 := 0]; {1518#true} is VALID [2020-07-08 15:53:59,942 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} assume 0 < #StackHeapBarrier; {1518#true} is VALID [2020-07-08 15:53:59,942 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} assume true; {1518#true} is VALID [2020-07-08 15:53:59,942 INFO L275 TraceCheckUtils]: 4: Hoare quadruple {1518#true} {1518#true} #148#return; {1518#true} is VALID [2020-07-08 15:53:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-08 15:54:00,081 INFO L280 TraceCheckUtils]: 0: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-08 15:54:00,081 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-08 15:54:00,081 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-08 15:54:00,082 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {1518#true} is VALID [2020-07-08 15:54:00,082 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {1518#true} is VALID [2020-07-08 15:54:00,082 INFO L280 TraceCheckUtils]: 5: Hoare triple {1518#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {1518#true} is VALID [2020-07-08 15:54:00,082 INFO L280 TraceCheckUtils]: 6: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-08 15:54:00,083 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {1518#true} is VALID [2020-07-08 15:54:00,083 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-08 15:54:00,083 INFO L280 TraceCheckUtils]: 9: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-08 15:54:00,084 INFO L280 TraceCheckUtils]: 10: Hoare triple {1518#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {1518#true} is VALID [2020-07-08 15:54:00,084 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-08 15:54:00,084 INFO L280 TraceCheckUtils]: 12: Hoare triple {1518#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {1518#true} is VALID [2020-07-08 15:54:00,084 INFO L280 TraceCheckUtils]: 13: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-08 15:54:00,085 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-08 15:54:00,085 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {1518#true} is VALID [2020-07-08 15:54:00,085 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-08 15:54:00,086 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-08 15:54:00,086 INFO L280 TraceCheckUtils]: 18: Hoare triple {1518#true} assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); {1518#true} is VALID [2020-07-08 15:54:00,086 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); {1518#true} is VALID [2020-07-08 15:54:00,087 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); {1518#true} is VALID [2020-07-08 15:54:00,087 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {1518#true} is VALID [2020-07-08 15:54:00,088 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:54:00,094 INFO L280 TraceCheckUtils]: 23: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:54:00,096 INFO L275 TraceCheckUtils]: 24: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:54:00,097 INFO L280 TraceCheckUtils]: 0: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-08 15:54:00,097 INFO L280 TraceCheckUtils]: 1: Hoare triple {1518#true} ~y := #in~y; {1518#true} is VALID [2020-07-08 15:54:00,111 INFO L263 TraceCheckUtils]: 2: Hoare triple {1518#true} call #t~ret4 := __fpclassify_double(~x); {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:00,111 INFO L280 TraceCheckUtils]: 3: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-08 15:54:00,111 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-08 15:54:00,111 INFO L280 TraceCheckUtils]: 5: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-08 15:54:00,112 INFO L280 TraceCheckUtils]: 6: Hoare triple {1518#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {1518#true} is VALID [2020-07-08 15:54:00,112 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {1518#true} is VALID [2020-07-08 15:54:00,112 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {1518#true} is VALID [2020-07-08 15:54:00,112 INFO L280 TraceCheckUtils]: 9: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-08 15:54:00,112 INFO L280 TraceCheckUtils]: 10: Hoare triple {1518#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {1518#true} is VALID [2020-07-08 15:54:00,113 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-08 15:54:00,113 INFO L280 TraceCheckUtils]: 12: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-08 15:54:00,113 INFO L280 TraceCheckUtils]: 13: Hoare triple {1518#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {1518#true} is VALID [2020-07-08 15:54:00,113 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-08 15:54:00,114 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {1518#true} is VALID [2020-07-08 15:54:00,114 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-08 15:54:00,114 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-08 15:54:00,114 INFO L280 TraceCheckUtils]: 18: Hoare triple {1518#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {1518#true} is VALID [2020-07-08 15:54:00,115 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-08 15:54:00,115 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-08 15:54:00,115 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); {1518#true} is VALID [2020-07-08 15:54:00,116 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); {1518#true} is VALID [2020-07-08 15:54:00,116 INFO L280 TraceCheckUtils]: 23: Hoare triple {1518#true} assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); {1518#true} is VALID [2020-07-08 15:54:00,116 INFO L280 TraceCheckUtils]: 24: Hoare triple {1518#true} assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {1518#true} is VALID [2020-07-08 15:54:00,117 INFO L280 TraceCheckUtils]: 25: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:54:00,117 INFO L280 TraceCheckUtils]: 26: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:54:00,118 INFO L275 TraceCheckUtils]: 27: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:54:00,119 INFO L280 TraceCheckUtils]: 28: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:54:00,120 INFO L280 TraceCheckUtils]: 29: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {1519#false} is VALID [2020-07-08 15:54:00,120 INFO L280 TraceCheckUtils]: 30: Hoare triple {1519#false} havoc #t~ret4; {1519#false} is VALID [2020-07-08 15:54:00,120 INFO L280 TraceCheckUtils]: 31: Hoare triple {1519#false} #res := ~y; {1519#false} is VALID [2020-07-08 15:54:00,120 INFO L280 TraceCheckUtils]: 32: Hoare triple {1519#false} assume true; {1519#false} is VALID [2020-07-08 15:54:00,121 INFO L275 TraceCheckUtils]: 33: Hoare quadruple {1519#false} {1518#true} #144#return; {1519#false} is VALID [2020-07-08 15:54:00,123 INFO L263 TraceCheckUtils]: 0: Hoare triple {1518#true} call ULTIMATE.init(); {1559#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} is VALID [2020-07-08 15:54:00,123 INFO L280 TraceCheckUtils]: 1: Hoare triple {1559#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|))} #NULL.base, #NULL.offset := 0, 0; {1518#true} is VALID [2020-07-08 15:54:00,123 INFO L280 TraceCheckUtils]: 2: Hoare triple {1518#true} #valid := #valid[0 := 0]; {1518#true} is VALID [2020-07-08 15:54:00,124 INFO L280 TraceCheckUtils]: 3: Hoare triple {1518#true} assume 0 < #StackHeapBarrier; {1518#true} is VALID [2020-07-08 15:54:00,124 INFO L280 TraceCheckUtils]: 4: Hoare triple {1518#true} assume true; {1518#true} is VALID [2020-07-08 15:54:00,124 INFO L275 TraceCheckUtils]: 5: Hoare quadruple {1518#true} {1518#true} #148#return; {1518#true} is VALID [2020-07-08 15:54:00,124 INFO L263 TraceCheckUtils]: 6: Hoare triple {1518#true} call #t~ret12 := main(); {1518#true} is VALID [2020-07-08 15:54:00,125 INFO L280 TraceCheckUtils]: 7: Hoare triple {1518#true} ~x~0 := ~someUnaryDOUBLEoperation(0.0); {1518#true} is VALID [2020-07-08 15:54:00,125 INFO L280 TraceCheckUtils]: 8: Hoare triple {1518#true} ~y~0 := 0.0; {1518#true} is VALID [2020-07-08 15:54:00,126 INFO L263 TraceCheckUtils]: 9: Hoare triple {1518#true} call #t~ret9 := fmin_double(~x~0, ~y~0); {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:00,126 INFO L280 TraceCheckUtils]: 10: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-08 15:54:00,127 INFO L280 TraceCheckUtils]: 11: Hoare triple {1518#true} ~y := #in~y; {1518#true} is VALID [2020-07-08 15:54:00,128 INFO L263 TraceCheckUtils]: 12: Hoare triple {1518#true} call #t~ret4 := __fpclassify_double(~x); {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} is VALID [2020-07-08 15:54:00,128 INFO L280 TraceCheckUtils]: 13: Hoare triple {1560#(and (= |#memory_real| |old(#memory_real)|) (= |#valid| |old(#valid)|) (= |#memory_int| |old(#memory_int)|) (= |old(#length)| |#length|))} ~x := #in~x; {1518#true} is VALID [2020-07-08 15:54:00,128 INFO L280 TraceCheckUtils]: 14: Hoare triple {1518#true} havoc ~msw~0; {1518#true} is VALID [2020-07-08 15:54:00,128 INFO L280 TraceCheckUtils]: 15: Hoare triple {1518#true} havoc ~lsw~0; {1518#true} is VALID [2020-07-08 15:54:00,129 INFO L280 TraceCheckUtils]: 16: Hoare triple {1518#true} SUMMARY for call ~#ew_u~0.base, ~#ew_u~0.offset := #Ultimate.allocOnStack(8); srcloc: L21-2 {1518#true} is VALID [2020-07-08 15:54:00,129 INFO L280 TraceCheckUtils]: 17: Hoare triple {1518#true} SUMMARY for call write~real(~x, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L22 {1518#true} is VALID [2020-07-08 15:54:00,129 INFO L280 TraceCheckUtils]: 18: Hoare triple {1518#true} SUMMARY for call #t~mem0 := read~int(~#ew_u~0.base, 4 + ~#ew_u~0.offset, 4); srcloc: L23 {1518#true} is VALID [2020-07-08 15:54:00,129 INFO L280 TraceCheckUtils]: 19: Hoare triple {1518#true} ~msw~0 := #t~mem0; {1518#true} is VALID [2020-07-08 15:54:00,130 INFO L280 TraceCheckUtils]: 20: Hoare triple {1518#true} SUMMARY for call write~real(#t~union1, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L24-1 {1518#true} is VALID [2020-07-08 15:54:00,130 INFO L280 TraceCheckUtils]: 21: Hoare triple {1518#true} havoc #t~mem0; {1518#true} is VALID [2020-07-08 15:54:00,130 INFO L280 TraceCheckUtils]: 22: Hoare triple {1518#true} havoc #t~union1; {1518#true} is VALID [2020-07-08 15:54:00,131 INFO L280 TraceCheckUtils]: 23: Hoare triple {1518#true} SUMMARY for call #t~mem2 := read~int(~#ew_u~0.base, ~#ew_u~0.offset, 4); srcloc: L25 {1518#true} is VALID [2020-07-08 15:54:00,131 INFO L280 TraceCheckUtils]: 24: Hoare triple {1518#true} ~lsw~0 := #t~mem2; {1518#true} is VALID [2020-07-08 15:54:00,131 INFO L280 TraceCheckUtils]: 25: Hoare triple {1518#true} SUMMARY for call write~real(#t~union3, ~#ew_u~0.base, ~#ew_u~0.offset, 8); srcloc: L25-2 {1518#true} is VALID [2020-07-08 15:54:00,131 INFO L280 TraceCheckUtils]: 26: Hoare triple {1518#true} havoc #t~mem2; {1518#true} is VALID [2020-07-08 15:54:00,131 INFO L280 TraceCheckUtils]: 27: Hoare triple {1518#true} havoc #t~union3; {1518#true} is VALID [2020-07-08 15:54:00,132 INFO L280 TraceCheckUtils]: 28: Hoare triple {1518#true} SUMMARY for call ULTIMATE.dealloc(~#ew_u~0.base, ~#ew_u~0.offset); srcloc: L22-1 {1518#true} is VALID [2020-07-08 15:54:00,132 INFO L280 TraceCheckUtils]: 29: Hoare triple {1518#true} havoc ~#ew_u~0.base, ~#ew_u~0.offset; {1518#true} is VALID [2020-07-08 15:54:00,132 INFO L280 TraceCheckUtils]: 30: Hoare triple {1518#true} goto; {1518#true} is VALID [2020-07-08 15:54:00,132 INFO L280 TraceCheckUtils]: 31: Hoare triple {1518#true} assume !((0 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (2147483648 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296)); {1518#true} is VALID [2020-07-08 15:54:00,133 INFO L280 TraceCheckUtils]: 32: Hoare triple {1518#true} assume !((~msw~0 % 4294967296 >= 1048576 && ~msw~0 % 4294967296 <= 2146435071) || (~msw~0 % 4294967296 >= 2148532224 && ~msw~0 % 4294967296 <= 4293918719)); {1518#true} is VALID [2020-07-08 15:54:00,133 INFO L280 TraceCheckUtils]: 33: Hoare triple {1518#true} assume !(~msw~0 % 4294967296 <= 1048575 || (~msw~0 % 4294967296 >= 2147483648 && ~msw~0 % 4294967296 <= 2148532223)); {1518#true} is VALID [2020-07-08 15:54:00,133 INFO L280 TraceCheckUtils]: 34: Hoare triple {1518#true} assume (2146435072 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296) || (4293918720 == ~msw~0 % 4294967296 && 0 == ~lsw~0 % 4294967296); {1518#true} is VALID [2020-07-08 15:54:00,134 INFO L280 TraceCheckUtils]: 35: Hoare triple {1518#true} #res := 1; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:54:00,135 INFO L280 TraceCheckUtils]: 36: Hoare triple {1587#(= 1 |__fpclassify_double_#res|)} assume true; {1587#(= 1 |__fpclassify_double_#res|)} is VALID [2020-07-08 15:54:00,136 INFO L275 TraceCheckUtils]: 37: Hoare quadruple {1587#(= 1 |__fpclassify_double_#res|)} {1518#true} #152#return; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:54:00,136 INFO L280 TraceCheckUtils]: 38: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume -2147483648 <= #t~ret4 && #t~ret4 <= 2147483647; {1586#(= 1 |fmin_double_#t~ret4|)} is VALID [2020-07-08 15:54:00,137 INFO L280 TraceCheckUtils]: 39: Hoare triple {1586#(= 1 |fmin_double_#t~ret4|)} assume 0 == #t~ret4; {1519#false} is VALID [2020-07-08 15:54:00,137 INFO L280 TraceCheckUtils]: 40: Hoare triple {1519#false} havoc #t~ret4; {1519#false} is VALID [2020-07-08 15:54:00,137 INFO L280 TraceCheckUtils]: 41: Hoare triple {1519#false} #res := ~y; {1519#false} is VALID [2020-07-08 15:54:00,138 INFO L280 TraceCheckUtils]: 42: Hoare triple {1519#false} assume true; {1519#false} is VALID [2020-07-08 15:54:00,138 INFO L275 TraceCheckUtils]: 43: Hoare quadruple {1519#false} {1518#true} #144#return; {1519#false} is VALID [2020-07-08 15:54:00,138 INFO L280 TraceCheckUtils]: 44: Hoare triple {1519#false} ~res~0 := #t~ret9; {1519#false} is VALID [2020-07-08 15:54:00,138 INFO L280 TraceCheckUtils]: 45: Hoare triple {1519#false} havoc #t~ret9; {1519#false} is VALID [2020-07-08 15:54:00,139 INFO L280 TraceCheckUtils]: 46: Hoare triple {1519#false} #t~short11 := ~someBinaryDOUBLEComparisonOperation(~res~0, ~someUnaryDOUBLEoperation(0.0)); {1519#false} is VALID [2020-07-08 15:54:00,139 INFO L280 TraceCheckUtils]: 47: Hoare triple {1519#false} assume !#t~short11; {1519#false} is VALID [2020-07-08 15:54:00,139 INFO L280 TraceCheckUtils]: 48: Hoare triple {1519#false} assume !#t~short11; {1519#false} is VALID [2020-07-08 15:54:00,139 INFO L280 TraceCheckUtils]: 49: Hoare triple {1519#false} havoc #t~ret10; {1519#false} is VALID [2020-07-08 15:54:00,139 INFO L280 TraceCheckUtils]: 50: Hoare triple {1519#false} havoc #t~short11; {1519#false} is VALID [2020-07-08 15:54:00,140 INFO L280 TraceCheckUtils]: 51: Hoare triple {1519#false} assume !false; {1519#false} is VALID [2020-07-08 15:54:00,142 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-08 15:54:00,143 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:54:00,143 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [617714957] [2020-07-08 15:54:00,143 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-07-08 15:54:00,143 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-07-08 15:54:00,144 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883582796] [2020-07-08 15:54:00,144 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-08 15:54:00,145 INFO L84 Accepts]: Finished accepts. word is accepted. [2020-07-08 15:54:00,145 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states. [2020-07-08 15:54:00,199 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 52 edges. 52 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:00,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-07-08 15:54:00,200 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-07-08 15:54:00,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-07-08 15:54:00,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-07-08 15:54:00,201 INFO L87 Difference]: Start difference. First operand 91 states and 100 transitions. Second operand 6 states. [2020-07-08 15:54:00,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:00,855 INFO L93 Difference]: Finished difference Result 127 states and 138 transitions. [2020-07-08 15:54:00,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-07-08 15:54:00,855 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 52 [2020-07-08 15:54:00,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-07-08 15:54:00,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 15:54:00,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 15:54:00,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2020-07-08 15:54:00,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 133 transitions. [2020-07-08 15:54:00,863 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 6 states and 133 transitions. [2020-07-08 15:54:00,995 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 133 edges. 133 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:00,999 INFO L225 Difference]: With dead ends: 127 [2020-07-08 15:54:00,999 INFO L226 Difference]: Without dead ends: 96 [2020-07-08 15:54:01,000 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2020-07-08 15:54:01,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 96 states. [2020-07-08 15:54:01,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 96 to 91. [2020-07-08 15:54:01,078 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-08 15:54:01,078 INFO L82 GeneralOperation]: Start isEquivalent. First operand 96 states. Second operand 91 states. [2020-07-08 15:54:01,078 INFO L74 IsIncluded]: Start isIncluded. First operand 96 states. Second operand 91 states. [2020-07-08 15:54:01,079 INFO L87 Difference]: Start difference. First operand 96 states. Second operand 91 states. [2020-07-08 15:54:01,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:01,088 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-07-08 15:54:01,088 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-08 15:54:01,092 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:01,092 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:01,094 INFO L74 IsIncluded]: Start isIncluded. First operand 91 states. Second operand 96 states. [2020-07-08 15:54:01,094 INFO L87 Difference]: Start difference. First operand 91 states. Second operand 96 states. [2020-07-08 15:54:01,107 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-08 15:54:01,108 INFO L93 Difference]: Finished difference Result 96 states and 106 transitions. [2020-07-08 15:54:01,108 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 106 transitions. [2020-07-08 15:54:01,109 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-08 15:54:01,109 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-08 15:54:01,109 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-08 15:54:01,110 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-08 15:54:01,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2020-07-08 15:54:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 100 transitions. [2020-07-08 15:54:01,117 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 100 transitions. Word has length 52 [2020-07-08 15:54:01,117 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-07-08 15:54:01,117 INFO L479 AbstractCegarLoop]: Abstraction has 91 states and 100 transitions. [2020-07-08 15:54:01,117 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-07-08 15:54:01,117 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 91 states and 100 transitions. [2020-07-08 15:54:01,225 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 100 edges. 100 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-08 15:54:01,226 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 100 transitions. [2020-07-08 15:54:01,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2020-07-08 15:54:01,228 INFO L414 BasicCegarLoop]: Found error trace [2020-07-08 15:54:01,228 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-07-08 15:54:01,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-07-08 15:54:01,228 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-07-08 15:54:01,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-08 15:54:01,229 INFO L82 PathProgramCache]: Analyzing trace with hash 1804168050, now seen corresponding path program 1 times [2020-07-08 15:54:01,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-07-08 15:54:01,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [377780216] [2020-07-08 15:54:01,230 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-08 15:54:01,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:54:01,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-08 15:54:01,389 INFO L185 leratedInterpolation]: Finished Analysing Program using PRECISE loop Acceleration [2020-07-08 15:54:01,389 INFO L174 FreeRefinementEngine]: Strategy FIXED_PREFERENCES found a feasible trace [2020-07-08 15:54:01,389 INFO L520 BasicCegarLoop]: Counterexample might be feasible [2020-07-08 15:54:01,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: isnan_doubleENTRY has no Hoare annotation [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: ULTIMATE.initENTRY has no Hoare annotation [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: __fpclassify_doubleENTRY has no Hoare annotation [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: __signbit_doubleENTRY has no Hoare annotation [2020-07-08 15:54:01,407 WARN L170 areAnnotationChecker]: fmin_doubleENTRY has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: mainENTRY has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L16 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L19 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L55 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L45 has no Hoare annotation [2020-07-08 15:54:01,408 WARN L170 areAnnotationChecker]: L75 has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: isnan_doubleFINAL has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: L-1-1 has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: L19-1 has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: L57-2 has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-08 15:54:01,409 WARN L170 areAnnotationChecker]: L46 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L76 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: ULTIMATE.initFINAL has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L21-2 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L58 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L57-3 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L46-1 has no Hoare annotation [2020-07-08 15:54:01,410 WARN L170 areAnnotationChecker]: L76-1 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: ULTIMATE.initEXIT has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L22 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L21-3 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L59 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: __signbit_doubleFINAL has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L46-2 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L76-2 has no Hoare annotation [2020-07-08 15:54:01,411 WARN L170 areAnnotationChecker]: L23 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L30 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L31 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L60 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: __signbit_doubleEXIT has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L46-3 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L46-4 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L79 has no Hoare annotation [2020-07-08 15:54:01,412 WARN L170 areAnnotationChecker]: L24 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: __fpclassify_doubleFINAL has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L33 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L34 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L60-1 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L79-3 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L47 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-08 15:54:01,413 WARN L170 areAnnotationChecker]: L48 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L79-1 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L24-1 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: __fpclassify_doubleEXIT has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: __fpclassify_doubleEXIT has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L37 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L38 has no Hoare annotation [2020-07-08 15:54:01,414 WARN L170 areAnnotationChecker]: L60-2 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L79-4 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: fmin_doubleFINAL has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L48-1 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L79-2 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L79-6 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L79-6 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L24-2 has no Hoare annotation [2020-07-08 15:54:01,415 WARN L170 areAnnotationChecker]: L40 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L42 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L60-3 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: fmin_doubleEXIT has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L48-2 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L79-7 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L79-9 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L24-3 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L58-1 has no Hoare annotation [2020-07-08 15:54:01,416 WARN L170 areAnnotationChecker]: L48-3 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L48-4 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L79-8 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L79-10 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L25 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L58-2 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L49 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L51 has no Hoare annotation [2020-07-08 15:54:01,417 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L80 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L84 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L25-1 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L57-1 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L51-1 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L51-3 has no Hoare annotation [2020-07-08 15:54:01,418 WARN L170 areAnnotationChecker]: L81 has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: mainFINAL has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: L25-2 has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: L51-4 has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: mainEXIT has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: L25-3 has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: L51-5 has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: L25-4 has no Hoare annotation [2020-07-08 15:54:01,419 WARN L170 areAnnotationChecker]: L22-1 has no Hoare annotation [2020-07-08 15:54:01,420 WARN L170 areAnnotationChecker]: L22-2 has no Hoare annotation [2020-07-08 15:54:01,420 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 15:54:01,420 WARN L170 areAnnotationChecker]: L21-1 has no Hoare annotation [2020-07-08 15:54:01,420 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-08 15:54:01,423 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.07 03:54:01 BoogieIcfgContainer [2020-07-08 15:54:01,424 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-08 15:54:01,427 INFO L168 Benchmark]: Toolchain (without parser) took 6037.85 ms. Allocated memory was 145.2 MB in the beginning and 280.5 MB in the end (delta: 135.3 MB). Free memory was 103.5 MB in the beginning and 156.0 MB in the end (delta: -52.5 MB). Peak memory consumption was 82.8 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:01,428 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. [2020-07-08 15:54:01,429 INFO L168 Benchmark]: CACSL2BoogieTranslator took 371.17 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 103.3 MB in the beginning and 182.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:01,430 INFO L168 Benchmark]: Boogie Preprocessor took 76.57 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 180.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:01,430 INFO L168 Benchmark]: RCFGBuilder took 669.13 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 139.6 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:01,431 INFO L168 Benchmark]: TraceAbstraction took 4915.54 ms. Allocated memory was 203.9 MB in the beginning and 280.5 MB in the end (delta: 76.5 MB). Free memory was 138.9 MB in the beginning and 156.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. [2020-07-08 15:54:01,434 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 145.2 MB. Free memory was 121.8 MB in the beginning and 121.6 MB in the end (delta: 210.0 kB). Peak memory consumption was 210.0 kB. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 371.17 ms. Allocated memory was 145.2 MB in the beginning and 203.9 MB in the end (delta: 58.7 MB). Free memory was 103.3 MB in the beginning and 182.7 MB in the end (delta: -79.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 7.1 GB. * Boogie Preprocessor took 76.57 ms. Allocated memory is still 203.9 MB. Free memory was 182.7 MB in the beginning and 180.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 2.5 MB. Max. memory is 7.1 GB. * RCFGBuilder took 669.13 ms. Allocated memory is still 203.9 MB. Free memory was 180.2 MB in the beginning and 139.6 MB in the end (delta: 40.6 MB). Peak memory consumption was 40.6 MB. Max. memory is 7.1 GB. * TraceAbstraction took 4915.54 ms. Allocated memory was 203.9 MB in the beginning and 280.5 MB in the end (delta: 76.5 MB). Free memory was 138.9 MB in the beginning and 156.0 MB in the end (delta: -17.1 MB). Peak memory consumption was 59.5 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 80]: Unable to prove that call of __VERIFIER_error() unreachable Unable to prove that call of __VERIFIER_error() unreachable Reason: overapproximation of someBinaryDOUBLEComparisonOperation at line 79, overapproximation of someUnaryDOUBLEoperation at line 74. Possible FailurePath: [L74] double x = -0.0; [L75] double y = 0.0; [L76] CALL, EXPR fmin_double(x, y) [L46] CALL, EXPR __fpclassify_double(x) [L19] __uint32_t msw, lsw; [L22] ieee_double_shape_type ew_u; [L23] ew_u.value = (x) [L24] EXPR ew_u.parts.msw [L24] (msw) = ew_u.parts.msw [L25] EXPR ew_u.parts.lsw [L25] (lsw) = ew_u.parts.lsw [L28-L29] COND FALSE !((msw == 0x00000000 && lsw == 0x00000000) || (msw == 0x80000000 && lsw == 0x00000000)) [L31-L32] COND FALSE !((msw >= 0x00100000 && msw <= 0x7fefffff) || (msw >= 0x80100000 && msw <= 0xffefffff)) [L34-L35] COND FALSE !(( msw <= 0x000fffff) || (msw >= 0x80000000 && msw <= 0x800fffff)) [L38-L39] COND FALSE !((msw == 0x7ff00000 && lsw == 0x00000000) || (msw == 0xfff00000 && lsw == 0x00000000)) [L42] return 0; [L46] RET, EXPR __fpclassify_double(x) [L46] COND TRUE __fpclassify_double(x) == 0 [L47] return y; [L76] RET, EXPR fmin_double(x, y) [L76] double res = fmin_double(x, y); [L79] EXPR res == -0.0 && __signbit_double(res) == 1 [L79] COND TRUE !(res == -0.0 && __signbit_double(res) == 1) [L80] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 99 locations, 1 error locations. Started 1 CEGAR loops. VerificationResult: UNSAFE, OverallTime: 4.8s, OverallIterations: 4, TraceHistogramMax: 1, AutomataDifference: 2.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 285 SDtfs, 59 SDslu, 523 SDs, 0 SdLazy, 377 SolverSat, 29 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 38 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=95occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 3 MinimizatonAttempts, 6 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: No data available, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Received shutdown request...